MongoDB Questions and Answers – Geospatial Index

This set of MongoDB Multiple Choice Questions & Answers (MCQs) focuses on “Geospatial Index”.

1. ___________ selects geometries that intersect with a GeoJSON geometry.
a) $near
b) $nearsphere
c) $geoIntersect
d) None of the mentioned
View Answer

2. Point out the wrong statement.
a) If $near or $nearSphere query specifies the center point as a GeoJSON point, specify the distance as a non-negative number in meters
b) If $nearSphere query specifies the center point as legacy coordinate pair, specify the distance as a non-negative number in radians
c) $near can only use the 2dsphere index if the query specifies the center point as a GeoJSON point
d) None of the mentioned
View Answer

3. _______ returns geospatial objects in proximity to a point.
a) $near
b) $nearsphere
c) $geoIntersect
d) None of the mentioned
View Answer

4. _________ specifies a geometry in GeoJSON format to geospatial query operators.
a) $sphere
b) $geoin
c) $geometry
d) All of the mentioned
View Answer

5. Point out the correct statement.
a) Both 2dsphere and 2d geospatial indexes support $geoWithin
b) $geoWithin does not require a geospatial index
c) The $geoWithin operator does not return sorted results
d) None of the mentioned
View Answer

6. _________ returns geospatial objects in proximity to a point on a sphere. Requires a geospatial index.
a) $near
b) $nearsphere
c) $geoIntersect
d) None of the mentioned
View Answer

7. __________ specifies a minimum distance to limit the results of $near and $nearSphere queries.
a) $center
b) $maxDistance
c) $minDistance
d) All of the mentioned
View Answer

8. The _________ operator specifies a circle for a $geoWithin query.
a) $within
b) $gwithin
c) $center
d) All of the mentioned
View Answer

9. ________ index must exist on a field holding coordinates before using any of the geospatial query operators.
a) Unique
b) Geospatial
c) Temporal
d) All of the mentioned
View Answer

Sanfoundry Global Education & Learning Series – MongoDB.

Here’s the list of Best Books in MongoDB.